C15H13N3O3S
315.3 g/mol
APIDanger
Oxfendazole
CAS53716-50-0EC258-714-5
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Oxfendazole is an antinematodal active pharmaceutical ingredient belonging to the benzimidazole class, specifically the sulfoxide derivative of fenbendazole. It is primarily used as a veterinary pharmaceutical raw material for the control of nematode infections.
veterinary pharmaceutical manufacturingresearch compound for nematode studies
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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CAS538-71-6
pharmaceutical raw material
Safety Reference
Danger
H319Causes serious eye irritation
H360May damage fertility or the unborn child
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Oxfendazole (CAS 53716-50-0) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
methyl N-[6-(benzenesulfinyl)-1H-benzimidazol-2-yl]carbamate
InChIKey
BEZZFPOZAYTVHN-UHFFFAOYSA-N
SMILES
COC(=O)NC1=NC2=C(N1)C=C(C=C2)S(=O)C3=CC=CC=C3
Synonyms (60)
- FBZ-SO
- OFDZ
- Oxfendazol [INN-Spanish]
- Oxfendazole (USP/INN)
- Oxfendazole for veterinary use [EP monograph]
- Oxfendazole, European Pharmacopoeia (EP)
- Oxfendazole, United States Pharmacopeia (USP)
- Oxfendazolum [INN-Latin]
- Benzelmin
- Benzelmin Top Dress.
- Fenbendazole sulfoxide
- Fenbendazole sulphoxide
- Nanthic
- OXFENDAZOLE [MART.]
- OxFBZ
- Oxfendazol
- Oxfendazole
- Oxfendazole (Standard)
- Oxfendazole CRS
- Oxfendazole, VETRANAL(TM)
- Oxfendazolum
- Repidose
- Synanthic
- Synanthic (TN)
- Synanthic (Veterinary)
- Synanthic Bovine Dewormer
- Synanthic [veterinary] (TN)
- Systamex
- Systemax
- fenbendazole S-oxide
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